Multipurpose Step-Up Adapter Cable for Heated Jacket: The Smarkey Heated Jacket Battery Step-Up Adapter Cable is designed to cater to both 7.4V/8.4V and 12V heated jackets, hoodies, and vests. It intelligently boosts your power bank’s 5V output to 12V, ensuring your heated gear operates at optimal warmth, whether you're in the city or the great outdoors. Wide Compatibility Across Heated Jacket: This versatile heated jacket Battery adapter hack cable connects seamlessly with a broad array of heated jackets from top brands. Utilize the 3.5mm or 4.0mm connectors for 7.4V/8.4V heated jacket gear and the 5.5mm connector for 12V heated jacket such as Milwaukee, Makita, and more. Regardless of your apparel’s voltage requirements, this cable delivers efficient and reliable power. Functional Design with User-Friendly Features: Equipped with a compact Type-C design, the heated jacket battery adapter magic cable is portable and easy to handle. For your 12V and 8.4v heated jacket needs, an upgraded version features an 2 DC Outlet, assuring correct power output and enhancing confidence in performance during every adventure or task. Cost-Efficient Power Usage: Save on expensive proprietary heated jacket battery by using your QC 3.0 or PD-enabled power banks with this heated jacket adaptable Magic Cable. Transform your current power bank into a versatile heated jacket battery pack for all your 7.4V 8.4v and 12V heated garments, offering a practical and budget-friendly solution for daily use. Important Compatibility Notice: Ensure compatibility by using only QC 3.0 or PD-enabled power banks. The Heated jacket battery charger hack cable is not compatible with older power banks (1.0A, 2.0A, 2.1A, or 3A outputs). Smarkey Universal Heated Jacket Battery Charger Magic Cables Stay warm and powered up no matter where your adventures take you with the Smarkey Heated Jacket Battery Power Adapter Cables, designed for both 7.4V 8.4V and 12V heated jackets. These innovative heated jacket battery step-up adapter cables ensure that your heated jacket apparel remains consistently warm during cold weather activities, whether you're commuting, enjoying outdoor sports, or working in chilly conditions. With the Smarkey Heated Jacket Power Adapter Cables, you can confidently embrace the cold. Perfect for professionals, outdoor enthusiasts, or anyone who loves winter activities, our heated jacket battery hack cables ensure that you remain warm and comfortable, no matter the weather conditions. Keep moving forward, no matter how low the temperature drops!